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Maintenance, adjustments, and modifications to our Betas

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4 hours ago, widebear said:

That appears to me to be a lot of blowby for 68 hours.What oil and ratio and does the bike get frequently wrung out or mostly puttered around?

See here the same piston 30h prior to the above: https://youtu.be/ij9p8zc4XRw

Between those two videos I ran the bike for 15h with slightly leaky crank seal. Fuel mixture (I mix at 2%) was mostly wrong due to that. 
I would say neither on the "wrung or puttered". My average speed on an enduro track is 30km/h with a few peaks at 80-100km/h. No rock crawling or such. 
Ironically, that trickle of gearbox oil may have been lubricating the bearing that failed after the faulty seal was replaced. 

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